Question

how can we that metallic oxides are basic in nature ​

Answer 1

Answer:

Metallic oxides are basic in nature because they react with dilute acids to form salt and water. They also react with water to form metal hydroxides which are alkaline in nature because these metal hydroxides release OH- ions in solution.

Explanation:

Answer 2

When metallic oxides are dissolved in water and are tested with red litmus, it changes into blue which means that they are basic in nature. So, metallic oxides are basic in nature.

For example

MgO + $H_{2}$O = Mg(OH)_2

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